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Finding the Third Proportional to 215,785.69 and 326,677.22

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Solution

The third proportional to 215,785.69 and 326,677.22 is: 494,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,785.69 : 326,677.22 = 326,677.22 : x
  2. Step 2: Convert to fraction form
    215,785.69/326,677.22 = 326,677.22/x
  3. Step 3: Cross multiply
    215,785.69x = 326,677.22 × 326,677.22
  4. Step 4: Simplify right side
    215,785.69x = 106,718,005,250.24
  5. Step 5: Solve for x
    x = 106,718,005,250.24/215,785.69
  6. Step 6: Final answer
    x = 494,555.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.